How to Improve Battery Efficiency and Audio Quality with TAS5825M Audio Amplifier

As the entrance of search engine, the explosive growth in wireless speaker or AI speaker is driving the new requirements of audio amplifier - higher efficiency and better audio quality.

Facing these new challenges, TAS5825M (closed loop classD with 38W stereo output) develops a lot of advanced features compared with traditional audio amplifier, which includes:

  1. Hybrid PWM modulation to reduces power dissipation
  2. Real-time PVDD sensing for less clipping distortion
  3. Thermal foldback to avoid unexpected Over-Temperature shutdown
  4. Optional 192kHz High definition processing or Smart Amp algorithm for better speaker protection
  5. State-of-the-art EMI reduction technology for inductor less

1. TAS5825M Innovation Features Overview

What are the audio amplifier requirements for wireless / AI speaker? How TAS5825M improve battery lifetime and audio quality?

This section provides the overview of TAS5825M innovation features.

# Title Duration
1.1 TAS5825M / TAS5805M Class-D Amplifier Family Overview
The TAS5805M \ TAS5825M family uses TI's latest technology enabling higher levels of integration while maintaining high efficiency and HD audio perfor...
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2. TAS5825M Hybrid PWM Modulation to Improve Battery Efficiency

Compared with traditional PWM modulation, TAS5825M develops innovative Hybrid modulation, which dynamically maintains differential switching with several common duty options.

The benefits of Hybrid PWM modulation mainly includes:

  1. Higher efficiency for longer battery lifetime
  2. Good THD+N performance
  3. Ultra-low idle power dissipation and idle noise
# Title Duration
2.1 How to Improve Battery Efficiency with TAS5825M Hybrid PWM Modulation
TAS5825M develops innovative Hybrid PWM modulation, which significantly extends wireless speaker battery lifetime without audio performance attenuatio...
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3. TAS5825M Thermal Foldback, Inductor Free and Audio DSP Resource

This training section descripts some innovation features of TAS5825M, which includes:

  1. Real-time thermal foldback: maintain max safe output power for uninterrupted listening experience
  2. 122MHz DSP resource: 192kHz high definition audio processing or Smart Amp algorithm for better speaker protection
  3. Inductor less: state-of-the-art EMI reduction technology
# Title Duration
3.1 How to Achieve Optional HD 192-kHz Audio Processing or Smart Amp with TAS5825M DSP
This section includes TAS5825M thermal foldback, inductor less, and rich DSP processing, which includes HD 192-kHz processing or Smart Amp algorithm.
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